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Individual Calculations September 2018 |
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| Beukema, Constantijn Total change: 64.68 | |   |
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| Dutch Open 2018 - Reserve A | Dieren | NED | 2018-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1758 | 4.50 | 9 | 2.45 | 28 | 68.60 | |
|  Gijsen, William | | | 1949 | NED | 1.00 | 1 | 0.75 | 28 | 21.00 | |  Kalle, Erwin | | | 2002 | NED | 0.00 | 1 | -0.20 | 28 | -5.60 | | | Rutjes, Twan | | | 1941 | NED | 1.00 | 1 | 0.74 | 28 | 20.72 | | | Verwoert, Jef | | | 2040 | NED | 0.00 | 1 | -0.16 | 28 | -4.48 | | | De Freytas, Paul | | | 1949 | NED | 1.00 | 1 | 0.75 | 28 | 21.00 | | | Officier, Tom | | | 2007 | NED | 0.50 | 1 | 0.31 | 28 | 8.68 | | | Dekker, Teus | | | 2026 | NED | 0.00 | 1 | -0.17 | 28 | -4.76 | | | Grutter, Tim | | | 1971 | NED | 0.00 | 1 | -0.23 | 28 | -6.44 | | | Belle, Erika | | wm | 1873 | NED | 1.00 | 1 | 0.66 | 28 | 18.48 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Dutch Open 2018 - U14 | Borne | NED | 2018-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1505 | 1758 | 4.50 | 7 | -1.04 | 28 | -29.12 | |
| | De Zoeten, Cato | | | 1472 | NED | 0.50 | 1 | -0.34 | 28 | -9.52 | | | Smeets, Kobe | | | 1437 | NED | 1.00 | 1 | 0.13 | 28 | 3.64 | | | Mainka, Alwin | | | 1631 | GER | 0.00 | 1 | -0.67 | 28 | -18.76 | | | De Putter, Nina | | | 1621 | NED | 0.00 | 1 | -0.68 | 28 | -19.04 | | | Decruyenaere, Victor | | | 1358 * | BEL | 1.00 | 1 | 0.08 | 28 | 2.24 | | | John, Niklas | | | 1358 * | GER | 1.00 | 1 | 0.08 | 28 | 2.24 | | | Goudriaan, Rafael | | | 1656 | NED | 1.00 | 1 | 0.36 | 28 | 10.08 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Open Brasschaat 2018 | Brasschaat | BEL | 2018-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1758 | 5.50 | 9 | 0.90 | 28 | 25.20 | |
| | Van Hille, Clara | | | 1358 * | BEL | 1.00 | 1 | 0.08 | 28 | 2.24 | | | Osinga, Angelique | | | 1937 | NED | 0.00 | 1 | -0.27 | 28 | -7.56 | | | Pouliart, Sander | | | 1358 * | BEL | 1.00 | 1 | 0.08 | 28 | 2.24 | | | Beukema, Christiaan | | | 1929 | BEL | 0.50 | 1 | 0.23 | 28 | 6.44 | | | Gorts, Sven | | | 1901 | BEL | 0.50 | 1 | 0.19 | 28 | 5.32 | | | Naalden, Marc | | | 1860 | NED | 0.00 | 1 | -0.36 | 28 | -10.08 | | | Wibowo, Kevin | | | 1382 | BEL | 1.00 | 1 | 0.09 | 28 | 2.52 | | | Van Ginkel, Henk | | | 1868 | NED | 1.00 | 1 | 0.65 | 28 | 18.20 | | | Engelaer, Maurice | | | 1915 | BEL | 0.50 | 1 | 0.21 | 28 | 5.88 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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